Patents by Inventor Kenji Miyatake
Kenji Miyatake has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).
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Patent number: 11996734Abstract: A stator includes: a stator core including a plurality of stator teeth in a circumferential direction with respect to a center of rotation of a rotary electric machine; a stator coil disposed on a bottom portion side of each of a plurality of stator slots formed between the stator teeth; and a stator magnet disposed on an opening side of each of the plurality of stator slots and having the same polarity in a radial direction, and in each of the stator slots, the stator magnet is divided at a center in the circumferential direction of the stator slot.Type: GrantFiled: January 21, 2020Date of Patent: May 28, 2024Assignee: MITSUBISHI ELECTRIC CORPORATIONInventors: Haruyuki Kometani, Ryoji Miyatake, Takuro Yamada, Kenji Tanaka
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Publication number: 20240120817Abstract: A permanent magnet-type rotary electric machine includes a stator, a first rotor, and a second rotor. The stator includes a stator core, a plurality of stator teeth, a plurality of stator slots, a plurality of stator magnets, and a stator coil. The first rotor is disposed inside the stator core relative to the plurality of stator magnets. The second rotor is disposed inside the stator core relative to a plurality of first pole pieces. The second rotor includes a plurality of second pole pieces. A proportion of the number of the plurality of stator slots to the number of poles of the plurality of second pole pieces of the second rotor is greater than 1.25 and less than 1.5, or greater than 1.5 and less than 3.0.Type: ApplicationFiled: December 23, 2020Publication date: April 11, 2024Applicants: Mitsubishi Electric Corporation, OSAKA UNIVERSITYInventors: Haruyuki KOMETANI, Ryoji MIYATAKE, Takuro YAMADA, Kenji TANAKA, Katsuhiro HIRATA, Noboru NIGUCHI, Kazuaki TAKAHARA, Hironori SUZUKI, Takuya ITO
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Publication number: 20230312813Abstract: Provided are a method for producing an anion exchange resin which is capable of producing an electrolyte membrane with excellent mechanical property (strength). A monomer for forming a hydrophobic group is reacted with a monomer for forming a hydrophilic group in the presence of bis(1,5-cyclooctadiene)nickel(0) as a catalyst, 2,2?-bipyridine as a co-ligand, a bromide or an iodide as a co-catalyst, and a reducing agent to produce an anion exchange resin where the hydrophobic group is connected to the hydrophilic group via direct bond, in which a mole number of bis(1,5-cyclooctadiene)nickel(0) is 0.3 to 1.8 times a total mole number of the monomer for forming a hydrophobic group and the monomer for forming a hydrophilic group.Type: ApplicationFiled: July 2, 2021Publication date: October 5, 2023Applicants: UNIVERSITY OF YAMANASHI, TAKAHATA PRECISION CO., LTD.Inventors: Kenji MIYATAKE, Yosuke KONNO, Naoki YOKOTA, Katsuya NAGASE
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Patent number: 11173484Abstract: Provided are an anion exchange resin being capable of producing an electrolyte membrane, a binder for forming an electrode catalyst layer and a battery electrode catalyst layer, which have improved electrical properties and chemical properties. For example, used is an anion exchange resin which has a hydrophobic unit being composed of bisphenol AF residues repeated via carbon-carbon bond and a hydrophilic unit being composed of hydrophilic groups repeated via carbon-carbon bond, in which the hydrophilic group is formed by connecting an anion exchange group to a fluorene backbone via a divalent saturated hydrocarbon group, and in which the hydrophobic unit and the hydrophilic unit are connected via carbon-carbon bond.Type: GrantFiled: November 20, 2019Date of Patent: November 16, 2021Assignees: University Of Yamanashi, Takahata Precision Co., Ltd., DAIHATSU MOTOR CO., LTDInventors: Kenji Miyatake, Junpei Miyake, Taro Kimura, Naoki Yokota, Katsuya Nagase, Yousuke Konno, Koichiro Asazawa, Aoi Takano, Takeshi Kato
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Patent number: 11154852Abstract: Provided are an anion exchange resin being capable of producing an electrolyte membrane and the like, which have improved chemical properties (durability). For example, used is an anion exchange resin comprising a hydrophobic unit being composed of a plurality of divalent hydrophobic groups repeated via carbon-carbon bond, the divalent hydrophobic group having a plurality of aromatic rings which are connected to each other via a divalent fluorine-containing group; and a hydrophilic unit being composed of a plurality of hydrophilic groups repeated via carbon-carbon bond, the hydrophilic groups being composed of a plurality of aromatic rings which are connected to each other via a divalent hydrocarbon group and/or carbon-carbon bond, and the hydrophilic groups containing an anion exchange group-containing group including a quaternary ammonium salt having a piperidine ring, and wherein the hydrophobic unit and the hydrophilic unit are connected via carbon-carbon bond.Type: GrantFiled: August 21, 2019Date of Patent: October 26, 2021Assignees: UNIVERSITY OF YAMANASHI, TAKAHATA PRECISION CO., LTD., DAIHATSU MOTOR CO., LTDInventors: Kenji Miyatake, Junpei Miyake, Naoki Yokota, Katsuya Nagase, Aoi Takano, Takeshi Kato, Koichiro Asazawa
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Patent number: 10947339Abstract: Provided are an anion exchange resin being capable of producing an electrolyte membrane for a fuel cell, a binder for forming an electrode catalyst layer and a fuel cell electrode catalyst layer, which have an improved physical property (anion conductivity); a method for producing thereof; an electrolyte membrane for a fuel cell, a binder for forming an electrode catalyst layer and a fuel cell electrode catalyst layer produced from the anion exchange resin; and a fuel cell having the electrolyte membrane or the electrode catalyst layer.Type: GrantFiled: September 20, 2016Date of Patent: March 16, 2021Assignees: UNIVERSITY OF YAMANASHI, TAKAHATA PRECISION CO., LTD.Inventors: Kenji Miyatake, Junpei Miyake, Hideaki Ono, Manai Shimada, Naoki Yokota, Natsumi Yoshimura, Koichiro Asazawa, Eriko Nishino
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Patent number: 10734663Abstract: An anion exchange resin capable of producing an electrolyte membrane, a binder for forming an electrode catalyst layer and a fuel cell electrode catalyst layer, which have improved chemical properties and mechanical properties; an electrolyte membrane and a binder for forming an electrode catalyst layer produced from the anion exchange resin; and a fuel cell having the electrolyte membrane or the electrode catalyst layer.Type: GrantFiled: July 24, 2018Date of Patent: August 4, 2020Assignees: UNIVERSITY OF YAMANASHI, TAKAHATA PRECISION CO., LTD.Inventors: Kenji Miyatake, Junpei Miyake, Hideaki Ono, Manai Shimada, Naoki Yokota, Natsumi Yoshimura, Aoi Takano, Koichiro Asazawa, Eriko Nishino, Yui Kuwabara
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Patent number: 10727515Abstract: An anion exchange resin capable of producing an electrolyte membrane, a binder for forming an electrode catalyst layer and a fuel cell electrode catalyst layer, which have improved electrical properties; an electrolyte membrane and a binder for forming an electrode catalyst layer produced from the anion exchange resin; and a fuel cell having the electrolyte membrane or the electrode catalyst layer.Type: GrantFiled: July 24, 2018Date of Patent: July 28, 2020Assignees: UNIVERSITY OF YAMANASHI, TAKAHATA PRECISION CO., LTD.Inventors: Kenji Miyatake, Junpei Miyake, Hideaki Ono, Manai Shimada, Naoki Yokota, Natsumi Yoshimura, Aoi Takano, Koichiro Asazawa, Eriko Nishino, Yui Kuwabara
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Publication number: 20200230590Abstract: Provided are an anion exchange resin being capable of producing an electrolyte membrane, a binder for forming an electrode catalyst layer and a battery electrode catalyst layer, which have improved electrical properties and chemical properties. For example, used is an anion exchange resin which has a hydrophobic unit being composed of bisphenol AF residues repeated via carbon-carbon bond and a hydrophilic unit being composed of hydrophilic groups repeated via carbon-carbon bond, in which the hydrophilic group is formed by connecting an anion exchange group to a fluorene backbone via a divalent saturated hydrocarbon group, and in which the hydrophobic unit and the hydrophilic unit are connected via carbon-carbon bond.Type: ApplicationFiled: November 20, 2019Publication date: July 23, 2020Applicants: University Of Yamanashi, Takahata Precision Co., Ltd.Inventors: Kenji MIYATAKE, Junpei Miyake, Taro Kimura, Naoki Yokota, Katsuya Nagase, Yousuke Konno, Koichiro Asazawa, Aoi Takano, Takeshi Kato
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Publication number: 20200061599Abstract: Provided are an anion exchange resin being capable of producing an electrolyte membrane and the like, which have improved chemical properties (durability). For example, used is an anion exchange resin comprising a hydrophobic unit being composed of a plurality of divalent hydrophobic groups repeated via carbon-carbon bond, the divalent hydrophobic group having a plurality of aromatic rings which are connected to each other via a divalent fluorine-containing group; and a hydrophilic unit being composed of a plurality of hydrophilic groups repeated via carbon-carbon bond, the hydrophilic groups being composed of a plurality of aromatic rings which are connected to each other via a divalent hydrocarbon group and/or carbon-carbon bond, and the hydrophilic groups containing an anion exchange group-containing group including a quaternary ammonium salt having a piperidine ring, and wherein the hydrophobic unit and the hydrophilic unit are connected via carbon-carbon bond.Type: ApplicationFiled: August 21, 2019Publication date: February 27, 2020Applicants: University Of Yamanashi, Takahata Precision Co., Ltd., Daihatsu Motor Co., Ltd.Inventors: Kenji MIYATAKE, Junpei Miyake, Naoki Yokota, Katsuya Nagase, Aoi Takano, Takeshi Kato, Koichiro Asazawa
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Patent number: 10471420Abstract: The present invention provides a cation exchange resin, and a cation exchange membrane and an electrolyte membrane for a fuel cell using the same. The cation exchange resin comprises a divalent hydrophobic unit; and a divalent hydrophilic unit having divalent hydrophilic groups which are repeated via carbon-carbon bond. The divalent hydrophilic groups being composed of one aromatic ring, or being composed of a plurality of aromatic rings which are bonded to each other via a divalent hydrocarbon group, a divalent silicon-containing group, a divalent nitrogen-containing group, a divalent phosphorus-containing group, a divalent oxygen-containing group, a divalent sulfur-containing group, or carbon-carbon bond, and at least one of the aromatic rings having a cation exchange group; wherein the hydrophobic unit and the hydrophilic unit are bonded to each other via carbon-carbon bond.Type: GrantFiled: June 29, 2016Date of Patent: November 12, 2019Assignees: UNIVERSITY OF YAMANASHI, TAKAHATA PRECISION CO., LTD.Inventors: Kenji Miyatake, Makoto Uchida, Jyunpei Miyake, Takashi Mochizuki, Hideaki Ono, Manai Shimada, Naoki Yokota, Natsumi Yoshimura
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Patent number: 10287409Abstract: The present invention provides an anion exchange resin capable of producing an electrolyte membrane for a fuel cell, a binder for forming an electrode catalyst layer and a battery electrode catalyst layer. The anion exchange resin of the present invention has a hydrophobic unit, a hydrophilic unit and divalent fluorine-containing groups. The hydrophobic unit has divalent hydrophobic groups composed of one aromatic ring or a plurality of aromatic rings that are repeated via carbon-carbon bond. The hydrophilic unit has divalent hydrophilic groups composed of one aromatic ring or a plurality of aromatic rings, at least one of which has an anion exchange group, that are repeated via carbon-carbon bond. The divalent fluorine-containing groups have a specific structure and are bonded via carbon-carbon bond to the hydrophobic unit and/or the hydrophilic unit and/or a moiety other than these units.Type: GrantFiled: August 22, 2015Date of Patent: May 14, 2019Assignees: TAKAHATA PRECISION JAPAN CO., LTD., UNIVERSITY OF YAMANASHIInventors: Manai Shimada, Naoki Yokota, Kenji Miyatake, Masahiro Watanabe, Junpei Miyake, Hideaki Ono, Eriko Nishino, Koichiro Asazawa
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Publication number: 20190027767Abstract: An anion exchange resin capable of producing an electrolyte membrane, a binder for forming an electrode catalyst layer and a fuel cell electrode catalyst layer, which have improved chemical properties and mechanical properties; an electrolyte membrane and a binder for forming an electrode catalyst layer produced from the anion exchange resin; and a fuel cell having the electrolyte membrane or the electrode catalyst layer.Type: ApplicationFiled: July 24, 2018Publication date: January 24, 2019Applicants: UNIVERSITY OF YAMANASHI, TAKAHATA PRECISION JAPAN CO., LTD.Inventors: Kenji MIYATAKE, Junpei MIYAKE, Hideaki ONO, Manai SHIMADA, Naoki YOKOTA, Natsumi YOSHIMURA, Aoi TAKANO, Koichiro ASAZAWA, Eriko NISHINO, Yui KUWABARA
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Publication number: 20190027768Abstract: An anion exchange resin capable of producing an electrolyte membrane, a binder for forming an electrode catalyst layer and a fuel cell electrode catalyst layer, which have improved electrical properties; an electrolyte membrane and a binder for forming an electrode catalyst layer produced from the anion exchange resin; and a fuel cell having the electrolyte membrane or the electrode catalyst layer.Type: ApplicationFiled: July 24, 2018Publication date: January 24, 2019Applicants: UNIVERSITY OF YAMANASHI, TAKAHATA PRECISION JAPAN CO., LTD.Inventors: Kenji MIYATAKE, Junpei MIYAKE, Hideaki ONO, Manai SHIMADA, Naoki YOKOTA, Natsumi YOSHIMURA, Aoi TAKANO, Koichiro ASAZAWA, Eriko NISHINO, Yui KUWABARA
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Publication number: 20180265626Abstract: Provided are an anion exchange resin being capable of producing an electrolyte membrane for a fuel cell, a binder for forming an electrode catalyst layer and a fuel cell electrode catalyst layer, which have an improved physical property (anion conductivity); a method for producing thereof; an electrolyte membrane for a fuel cell, a binder for forming an electrode catalyst layer and a fuel cell electrode catalyst layer produced from the anion exchange resin; and a fuel cell having the electrolyte membrane or the electrode catalyst layer.Type: ApplicationFiled: September 20, 2016Publication date: September 20, 2018Applicants: University of Yamanashi, Takahata Precision Japan Co., Ltd.Inventors: Kenji MIYATAKE, Junpei MIYAKE, Hideaki ONO, Manai SHIMADA, Naoki YOKOTA, Natsumi YOSHIMURA, Koichiro ASAZAWA, Eriko NISHINO
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Publication number: 20180178210Abstract: A cation exchange resin having improved chemical properties and mechanical properties, and a cation exchange membrane and an electrolyte membrane for a fuel cell using the same are provided. A cation exchange resin is used, the cation exchange resin comprising: a divalent hydrophobic unit; and a divalent hydrophilic unit having divalent hydrophilic groups which are repeated via carbon-carbon bond, the divalent hydrophilic groups being composed of one aromatic ring, or being composed of a plurality of aromatic rings which are bonded to each other via a divalent hydrocarbon group, a divalent silicon-containing group, a divalent nitrogen-containing group, a divalent phosphorus-containing group, a divalent oxygen-containing group, a divalent sulfur-containing group, or carbon-carbon bond, at least one of the aromatic rings having a cation exchange group; wherein the hydrophobic unit and the hydrophilic unit are bonded to each other via carbon-carbon bond.Type: ApplicationFiled: June 29, 2016Publication date: June 28, 2018Applicants: University of Yamanashi, Takahata Precision Japan Co., Ltd.Inventors: Kenji MIYATAKE, Makoto UCHIDA, Jyunpei MIYAKE, Takashi MOCHIZUKI, Hideaki ONO, Manai SHIMADA, Naoki YOKOTA, Natsumi YOSHIMURA
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Patent number: 9985309Abstract: The present invention aims to provide a hydrocarbon-based polymer electrolyte which is excellent in processability and proton conductivity, especially proton conductivity at low water content, and a membrane thereof. The polymer electrolyte contains, in its main chain, a repeating unit represented by the following formula (1): wherein Ar represents a benzene or naphthalene ring, or a derivative thereof in which one or more of the ring-forming carbon atoms is replaced by a hetero atom; X represents a proton or a cation; a and b are each an integer of 0 to 4, and the sum of a's and b's is 1 or greater; m represents an integer of 1 or greater; and n represents an integer of 0 or greater.Type: GrantFiled: November 21, 2012Date of Patent: May 29, 2018Assignees: KANEKA CORPORATION, UNIVERSITY OF YAMANASHIInventors: Takahiro Miyahara, Masahiro Watanabe, Kenji Miyatake
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Patent number: 9931624Abstract: An anion exchange resin having a hydrophobic unit with divalent hydrophobic groups bonded to each other via an ether bond, the divalent hydrophobic groups being composed of one aromatic ring, or being composed of a plurality of aromatic rings which are bonded to each other via a divalent hydrocarbon group, carbon-carbon bond or the like; and a hydrophilic unit having divalent hydrophilic groups bonded to each other via carbon-carbon bond, the divalent hydrophilic groups being composed of one aromatic ring, or being composed of a plurality of aromatic rings which are bonded to each other via a divalent hydrocarbon group or carbon-carbon bond, the aromatic ring or at least one of the aromatic rings having an anion exchange group are bonded via carbon-carbon bond.Type: GrantFiled: February 28, 2015Date of Patent: April 3, 2018Assignees: TAKAHATA PRECISION JAPAN CO., LTD., UNIVERSITY OF YAMANASHIInventors: Naoki Yokota, Manai Shimada, Kenji Miyatake, Masahiro Watanabe, Junpei Miyake, Eriko Nishino, Koichiro Asazawa
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Publication number: 20170267823Abstract: The present invention provides an anion exchange resin capable of producing an electrolyte membrane for a fuel cell, a binder for forming an electrode catalyst layer and a battery electrode catalyst layer. The anion exchange resin of the present invention has a hydrophobic unit, a hydrophilic unit and divalent fluorine-containing groups. The hydrophobic unit has divalent hydrophobic groups composed of one aromatic ring or a plurality of aromatic rings that are repeated via carbon-carbon bond. The hydrophilic unit has divalent hydrophilic groups composed of one aromatic ring or a plurality of aromatic rings, at least one of which has an anion exchange group, that are repeated via carbon-carbon bond. The divalent fluorine-containing groups have a specific structure and are bonded via carbon-carbon bond to the hydrophobic unit and/or the hydrophilic unit and/or a moiety other than these units.Type: ApplicationFiled: August 22, 2015Publication date: September 21, 2017Applicants: TAKAHATA PRECISION JAPAN CO., LTD., UNIVERSITY OF YAMANASHIInventors: Manai SHIMADA, Naoki YOKOTA, Kenji MIYATAKE, Masahiro WATANABE, Junpei MIYAKE, Hideaki ONO, Eriko NISHINO, Koichiro ASAZAWA
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Publication number: 20170087545Abstract: An anion exchange resin having a hydrophobic unit with divalent hydrophobic groups bonded to each other via an ether bond, the divalent hydrophobic groups being composed of one aromatic ring, or being composed of a plurality of aromatic rings which are bonded to each other via a divalent hydrocarbon group, carbon-carbon bond or the like; and a hydrophilic unit having divalent hydrophilic groups bonded to each other via carbon-carbon bond, the divalent hydrophilic groups being composed of one aromatic ring, or being composed of a plurality of aromatic rings which are bonded to each other via a divalent hydrocarbon group or carbon-carbon bond, the aromatic ring or at least one of the aromatic rings having an anion exchange group are bonded via carbon-carbon bond.Type: ApplicationFiled: February 28, 2015Publication date: March 30, 2017Applicants: TAKAHATA PRECISION JAPAN CO., LTD., UNIVERSITY OF YAMANASHIInventors: Naoki YOKOTA, Manai SHIMADA, Kenji MIYATAKE, Masahiro WATANABE, Junpei MIYAKE, Eriko NISHINO, Koichiro ASAZAWA